Two new microleafhopper genera of Empoascini, Thaioasca Wang, Xu Qin, gen. nov. and Mjolnirus Wang, Xu Qin, gen. nov., based on the type species, Thaioasca contaminata Wang, Xu Qin, sp. nov. and Mjolnirus mediolobus Wang, Xu Qin, sp. nov. are described from Thailand. Male habitus photos and illustrations of male genitalia of these two new species are given. A checklist of Empoascini from Thailand is also provided.
Keywords: Hemiptera, Auchenorrhyncha, microleafhopper, morphology, taxonomy, distribution.